There are a vast range of oils used in massage, each containing different properties to benefit particular skin types. In massage, there are two basic types of oil used - these are known as essential oils and carrier oils. The carrier oil makes up most of the massage blend, and generally has little scent of its own. Essential oils are often too strong to be applied undiluted, and are blended with the carrier oil to create a diluted substance which will not irritate the skin. The four most commonly used essential oils in massage are beneficial to your skin due to their alleged healing properties.